The Pacific Tsunami Warning Center in Hawaii said a tsunami warning was in effect for Japan, Russia, Marcus Island and the Northern Marianas. A tsunami watch has been issued for Guam, Taiwan, the Philippines, Indonesia, Hawaii and the west U.S. coast from Santa Barbara, Calif. north to the Oregon/Washington border.

The tsunami, which can travel as fast as 630 mph, is expected to hit Hawaii shortly after 8 a.m. EST and the West Coast around 10:30 a.m. EST.